<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<!--数据双向绑定-->
<div id="app">
    <input type="text" v-model="message">文本数据双向绑定{{message}}
</div>

<!-- 生产环境版本，优化了尺寸和速度 -->
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script type="text/javascript">
    var vm = new Vue({
        el: "#app",
        data:{
            message: "hello vue"
        }
    })
</script>
</body>
</html>